CVE-2026-2781 (GCVE-0-2026-2781)
Vulnerability from cvelistv5
Published
2026-02-24 13:33
Modified
2026-04-21 12:40
Summary
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.35
Unaffected: 140.8
Unaffected: 148
Create a notification for this product.
   Mozilla Thunderbird Unaffected: 140.8
Unaffected: 148
Create a notification for this product.
Show details on NVD website


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              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
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              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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        "dateUpdated": "2026-04-21T12:40:43.312Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2009552"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-15/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-16/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-17/"
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        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-31/"
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      "title": "Integer overflow in the Libraries component in NSS"
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    "datePublished": "2026-02-24T13:33:15.551Z",
    "dateReserved": "2026-02-19T15:06:13.592Z",
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    "state": "PUBLISHED"
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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